A newspaper ad includes a telephone number 1-555-dial vsw. How many seven letter arrangements are possible for the phone number
1 answer:
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Answer:
f(-10)=53
Step-by-step explanation:
Let
f(x)=+5x+3.............(1)
we have to find
f(-10)=?
for this we will put x=-10 in equation (1)
f(-10)=+5(-10)+3
f(-10)=100-50+3
f(-10)=53